Patent US2860139A successfully refreshed from Google Patents.
US2860139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of iso-
Assignee: —
•
Filing: —
•
Granted: 1958-11-11
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Expires: 1975-11-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:17
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/30; C07D251/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR PREPARING ISOCYANURIC ACID MONOVINYLESTER FROM TRIALLYL CYANURATE, COMPRISING HEATING TRIALLYL CYANURATE IN A BOILING AROMATIC LIQUID HYDROCARBON SOLVENT, IN THE PRESENCE OF AN ALKYLATION CATALYST SELECTED FROM THE GROUP CONSISTING OF BORON TRIFLUORIDE DIACETIC ACID AND SURFACE-ACTIVE BLEACHING EARTH CATALYST AND IN THE PRESENCE OF 3 TO 5 MOLS OF A PHENOLIC COMPOUND, SELECTED FROM THE GROUP CONSISTING OF PHENOL (C6H5OH), CHLORINATED PHENOLS, CRESOLS AND XYLENOLS, FOR EACH MOL OF THE TRIALLYL CYANURATE, UNTIL SAID MONOVINYLESTER IS FORMED.
Claim 2
Dependent Claim
81 words
A PROCESS FOR PREPARING ISOCYANURIC ACID MONOVINYLESTER FROM TRIALLYL CYANURATE, COMPRISING HEATING TRIALLYL CYANURATE IN A BOILING AROMATIC LIQUID HYDROCARBON SOLVENT, IN THE PRESENCE OF AN ALKYLATION CATALYST SELECTED FROM THE GROUP CONSISTING OF BORON TRIFLUORIDE DIACETIC ACID AND SURFACE-ACTIVE BLEACHING EARTH CATALYST AND IN THE PRESENCE OF 3 TO 5 MOLS OF A PHENOLIC COMPOUND, SELECTED FROM THE GROUP CONSISTING OF PHENOL (C6H5OH), CHLORINATED PHENOLS, CRESOLS AND XYLENOLS, FOR EACH MOL OF THE TRIALLYL CYANURATE, UNTIL SAID MONOVINYLESTER IS FORMED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |